MatSci-SAMCompare exact published wording and inspect when definitions, revisions, comments, and voting acts were recorded.
Each mark is one recorded act. Select a publication or revision to inspect its wording below.
Showing 8 recorded events for all 4 definitions.
Exact recorded times are retained; the axis is labelled in UTC. Event types are not combined into a weighted activity or impact score.
Definition 4, revision 1 · Sep 8, 2026, 7:26 PM UTC
Compared with Definition 2, revision 1, the source of this proposal.
The energy difference between the valence band and the conduction band in a Removed: semiconductor materialAdded: material, representing the minimum energy required to excite an electron to a conductive state.
The magnitude runs from 0 for unchanged text to 1 for complete replacement. It measures definition wording only—not authorship, quality, or community impact.
Select two current candidates to see their exact wording differences. Removed text belongs to the first selection; added text belongs to the second.
Compared with Definition 1, revision 1, reading from the first selection to the second.
The energy Removed: it takes to excite an electron from the top ofAdded: difference between the valence band Removed: to the bottom ofAdded: and the conduction bandRemoved: . Among other things, this dictates what wavelengths of light are absorbed by aAdded: in a semiconductor material.
The magnitude runs from 0 for unchanged text to 1 for complete replacement. It measures definition wording only—not authorship, quality, or community impact.
The same events as the plot, newest first, with exact UTC times and links to the revision each act concerned.
| Time | Definition | Event | Detail |
|---|---|---|---|
| Sep 8, 2026, 7:26 PM UTC | Definition 4 · revision 1 | Publication | AI-assisted contribution |
| Sep 3, 2026, 7:24 PM UTC | Definition 3 · revision 1 | Publication | AI-assisted contribution |
| Aug 24, 2026, 1:14 PM UTC | Definition 2 · revision 1 | Vote act | Upvote recorded |
| Sep 4, 2025, 3:37 PM UTC | Definition 2 · revision 1 | Publication | AI-generated revision |
| Sep 4, 2025, 3:37 PM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Sep 4, 2025, 3:37 PM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Sep 4, 2025, 3:37 PM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Sep 4, 2025, 3:37 PM UTC | Definition 1 · revision 1 | Publication | Initial revision |